The Legend of Zelda: Breath of the Wild is now fully playable in Cemu



Renowned Nintendo Wii U emulator, CEMU, is making quite an astonishing amount of progress. Team Cemu, the developers behind the emulator, which receives over $35,000 a month via Patreon, have recently released Cemu 1.7.4c, as of April 1, 2017. While you could play The Legend of Zelda: Breath of the Wild at 720p on your Wii U, or even 900p on your Switch, thanks to Team Cemu's hard work, if you have a PC capable enough, it's possible to experience the latest Zelda game at 3840x2160, full 4K HD, even commonly hitting 30 frames per second. Of course, while there are intermittent bugs and glitches from being played on an emulator, as of this latest build, Breath of the Wild is fully playable, start to end, through Cemu. Not only that, but there are even custom graphic packs available to use as well, enhancing the visuals of the game even further. Of course, running the game in such a state takes a lot of power, as the video linked above utilized an i7 6700k and a GTX 1070 to allow for stable performance. Of course, you don't even need to upscale the game, though it still requires a fairly capable PC. While the latest build is backer only, the public will be able to experience Cemu 1.7.4c when it becomes available on April 9.
 

FAST6191

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Good to see Nintendo's fear, uncertainty and doubt with regards to emulation is alive and well. I could go through various court cases the world over covering the general uncopyrightable/unpatentable nature of the arrangement of some chips but that would be boring. I will instead say do you approve of companies selling virtualisation software like virtualbox or vmware? If you do then you get to shut up, even if your concerns are piracy for if you have ever read the licensing agreements for something like Windows (big boy server versions or otherwise) you will be aware of likelihood that someone with a marginally complicated virtualisation setup will probably be flying under the jolly roger flag.

throw $30,000 a month at n64 emulator devs and I'm sure they will work miracles too
I watched that video and the low polygon budget and pop in was made even more evident than the pre release thing I played.

Doing that to N64 games too... and I thought the time I watched 4K porn in the name of science was hard on the eyes (razor burn really is not attractive at that kind of clarity).

That said it would also be a lot of effort to play no games... I say in a wii u thread. Hmm.

If Nint can prove they've stolen code from some kind of SDK software these guys will be screwed absolutely, but how are they gonna prove that if it's true?

Leaving aside the discussion of the nature of the contents of the SDK then are ways to tell shared source code and docs. The usual first one to go for after the really basic string/function name stuff is bug matching. If a bug is in the code that could realistically have only come from someone reading some source* they should not, or should not have included elements from, then you have fairly compelling evidence of source pilfering. An example might be if the leaked SDK has a line that says set this bit high if you want this effect and actually it is supposed to be low, should the potentially dubious software act such that the bit is set the reverse of what it should then you have your evidence.
Similar story if you have a crazy method of doing something that is far from optimal (often simple obfuscation techniques like those malware writers use will do), the lazy code copying dev will not know what this magic code does and include it to have it work. This is not as optimal here -- I recall a DS anti piracy code developer talking up their new code that would end DS piracy by including dozens and dozens of checks that the would be pirate would have to weed out, guess how that went? As emulator authors tend to be cut from the same kind of cloth as those that would pore over a disassembled game for hours... not to mention emulation does not like obfuscated code as it messes with the dynamic recompilation approach favoured in modern emulation.

*you might have seen the related thing in databases. Here your private secret database of addresses will contain bogus info. That way if it leaks and you suspect your competitor sticks it in theirs you look up the entry to 123 fake street in their program and you have the evidence to take to a judge.

This sort of forensic analysis does make for some strange people (even stranger than hard drive recovery people at times) with some strange and hard to come by skills but it can be done.
 

nolimits59

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Noice!

I tested this out today with Cemu 1.7.4c + Cemu hook 3.1.0 + 19k Shaders + 1080p Graphics Pack

Got solid 20-25 fps outside, 25-30 fps in shrines, 40-60 fps in menus.

Specs:
Asus X550VX
Intel Core i7 6700HQ @ 3.5GHZ
NVIDIA GTX 950M
DDR4-2133 MHz 16 GB RAM

Already runs pretty smooth, once the NVIDIA shaders RAM leak gets sorted out, I bet it will run close to perfect.

Not bad for Greg the laptop :P!
This what i though with my testing, it should be playable for a desktop 950 in 720p, thats really great :).
 
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MionissNio

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Even getting a legit copy of BOTW WiiU seems like hard work, I wonder pretty much everyone else just straight out pirate everything?

I hope not. Tis kind of game is the one where you should feel ashamed getting it for free. Shigeru's team should earn their efforts you know.

Ahhh I'm so whiny these dayss
I purchased two copies! Hopefully this supports them!
 

el_gonz87

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Yes. to both questions. 16k shader and the compatible plugin that works with 1.74c

If you look on the reddit it seems more people have it...

Strange, maybe I will start hitting these crashes too, again I played for 40 mins this morning and nothing.

Edit:

Updated to SSD to deal with nvidia ram issue and it works like a beast! Get 30fps everywhere, loads 19k shaders quickly, and almost never stutters!
 
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Pluupy

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Strange, maybe I will start hitting these crashes too, again I played for 40 mins this morning and nothing.

Edit:

Updated to SSD to deal with nvidia ram issue and it works like a beast! Get 30fps everywhere, loads 19k shaders quickly, and almost never stutters!
Awesome! Are you able to navigate menus and utilize tools perfectly? Do cutscenes work?
 

el_gonz87

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Awesome! Are you able to navigate menus and utilize tools perfectly? Do cutscenes work?

Everything seems to be working great! The SDD really helped due to the pagefile and whole OS running off of it. Some intensive cut scenes stall for like 1 sec here and there.

Menus I get 60fps. Wish there was a way to cap the fps in CEMU.
 

Spider_Man

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never really bothered with wii u emulation, mainly because i couldnt figure how to get dl'd games to work, links i found claimed to be compatible with the emu but never picked it up, same as 3ds
 

el_gonz87

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Do you think this would run fine on my laptop

core i7 6500, 12 gb, ram NVIDIA 940MX GPU

Hmmmm here is my thoughts, I can run it at near constant 30+ FPS:
  • CPU - I have an i7 6700HQ but my processor never gets above 50%, so that should be sufficient.
  • GPU - I have a 950M so should be fine, just make sure you select "High-performance NVIDIA processor" as the preferred graphics processor in the NVIDIA control panel.
  • RAM - This will most likely be your bottleneck, it maxes out my 16GB RAM loading a 19k precompiled shaders file and creates a 8GB pagefile in the process. Once loaded it runs around 6-10GB.
The issue with the RAM is the NVIDIA driver causes a memory leak when compiling shaders, so it uses a massive amount to load. I was able to stop any stuttering by purchasing an SDD and cloned my HDD onto it. This means when I boot from SDD, it will pagefile in the SDD so that the loading of the shaders into RAM was much faster than reading from my HDD.

The other option is to not use a shaders file, but this is what gave me a massive and constant FPS increase, you will stutter and freezes for 10-15 secs when you enter new areas. This is why I purchased the SDD.

Best of luck, if you try it out, post the results. So far I haven't slept cuz I'm addicted LOL.
 
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Soccerdies

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Hmmmm here is my thoughts, I can run it at near constant 30+ FPS:
  • CPU - I have an i7 6700HQ but my processor never gets above 50%, so that should be sufficient.
  • GPU - I have a 950M so should be fine, just make sure you select "High-performance NVIDIA processor" as the preferred graphics processor in the NVIDIA control panel.
  • RAM - This will most likely be your bottleneck, it maxes out my 16GB RAM loading a 19k precompiled shaders file and creates a 8GB pagefile in the process. Once loaded it runs around 6-10GB.
The issue with the RAM is the NVIDIA driver causes a memory leak when compiling shaders, so it uses a massive amount to load. I was able to stop any stuttering by purchasing an SDD and cloned my HDD onto it. This means when I boot from SDD, it will pagefile in the SDD so that the loading of the shaders into RAM was much faster than reading from my HDD.

The other option is to not use a shaders file, but this is what gave me a massive and constant FPS increase, you will stutter and freezes for 10-15 secs when you enter new areas. This is why I purchased the SDD.

Best of luck, if you try it out, post the results. So far I haven't slept cuz I'm addicted LOL.
I actually purchased and installed an m.2 ssd and cloned my hdd to the ssd, including the operating system, so maybe that will help too
 

el_gonz87

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I actually purchased and installed an m.2 ssd and cloned my hdd to the ssd, including the operating system, so maybe that will help too

Certainly it helped me, before I could see my HDD jump up to 100% when it would read from the pagefile, not my SDD rarely goes above 20%.
 

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